Fujitsu AB 14LBAJ Series Service Instruction page 110

Remove the 1 mounting screw.
Remove the INVERTER BOX COVER upward.
Remove the connector and cords.
CN1 (Black/Brown/Red)
F
E
Twist W4 and W5
2 times or more.
VIEW - E
03-13
INVERTER BOX COVER
Hook (2 places)
W4 (Black)
W5 (White)